23654040 has 32 divisors (see below), whose sum is σ = 70962480. Its totient is φ = 6307712.

The previous prime is 23654039. The next prime is 23654083. The reversal of 23654040 is 4045632.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 23654040.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98439 + ... + 98678.

Almost surely, 2^23654040 is an apocalyptic number.

23654040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

23654040 is an abundant number, since it is smaller than the sum of its proper divisors (47308440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23654040 is a wasteful number, since it uses less digits than its factorization.

23654040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 197131 (or 197127 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 23654040 is about 4863.5419192190. The cubic root of 23654040 is about 287.0571986342.

Adding to 23654040 its reverse (4045632), we get a palindrome (27699672).

The spelling of 23654040 in words is "twenty-three million, six hundred fifty-four thousand, forty".